Global Truss 5035-2B Half Coupler, Black Half Coupler, For 48-51 mm with M10, Max. tensile load: 300 kg, Shutter: M12 butterfly nut, M10 machine screw with butterfly nut, split lock washer and washer, TÜV approved, Load in accordance with BGV C1: 300 kg, Breaking force: 23.96 kN, Aluminium 6061 T6, Tested